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Reply to "cruise commander and fan driven smoke unit"

Picture of smoke unit would help; but typically the answer is yes.  On lionels basic fan smoke unit, they had a solder trace you could remove to allow independent AC input to the DC Fan motor circuit.  Hence the 2 red or brown AC inputs.  The rest of the circuit uses a common ground so just one black wire, plus the body of the smoke unit also acts like a ground.  IF that trace is bridged you only really need one red.  When smoke unit gets power so does the fan circuit.  G

Last edited by GGG

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